Yarrow Plant. Yarrow (achillea millefolium) is a member of the daisy or asteraceae family. Yarrow propagates easily and in several ways, including via division, stem cuttings, and seeds.
As a companion plant, yarrow increases disease resistance in nearby plants, while also improving their flavor and scent. All about yarrow white yarrow flowers tend to have yellow centers. It grows commonly all over the world and has been used as medicine by humans for tens of thousands of years.